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Finding the Fourth Proportional to 240,729.55, 360,930.30 and 114,430.30

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Solution

The fourth proportional to 240,729.55, 360,930.30 and 114,430.30 is: 171,567.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,729.55 : 360,930.30 = 114,430.30 : x
  2. Step 2: Convert to fraction form
    240,729.55/360,930.30 = 114,430.30/x
  3. Step 3: Cross multiply
    240,729.55x = 360,930.30 × 114,430.30
  4. Step 4: Simplify right side
    240,729.55x = 41,301,362,508.09
  5. Step 5: Solve for x
    x = 41,301,362,508.09/240,729.55
  6. Step 6: Final answer
    x = 171,567.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.